A new chalcone based nematic schlieren texture liquid crystalline material was prepared from 3-(4-(dimethyl amino) phenyl)-1-(4-hydroxyphenyl) prop-2-en-1-one (DMAC) and 8-(4-cyanobiphenyl-4′-oxy) octan-1-ol (LC8) by molecular self-assembly processes via hydrogen bond formation between tertiary...

Air-stable dimethylaluminum complexes LRAlMe2 that contain (aminomethyl)phenolate (LR) ligands were prepared in high yield. NMR data and X-ray crystallographic characterization of the molecular structures of several of the complexes confirmed bidentate coordination of the (aminomethyl)phenolate ...

Racemic and enantiomerically pure β-amino-α-trifluoromethyl alcohols were obtained via sequential nucleophilic trifluoromethylation of selected α-imino ketones, derived from arylglyoxals, and subsequent removal of the MeO or Ph(Me)CH substituent, respectively, located at the N-atom. The obtai...

Au(III) and Pd(II) chloride complexes with 2-benzylpyridine (2bzpy) – [Au(2bzpy)Cl3] and trans-[Pd(2bzpy)2Cl2], as well as Au(III) chloride organometallics with monoanionic form of 2bzpy, deprotonated in the benzyl side group at the ortho-carbon C(2′) (2bzpy*) – [Au(2bzpy*)Cl2], were studied ...

The synthesis of two regioisomeric mercapturic acids, N-acetyl-S-(2,3-dimethylbenzyl) -L-cysteine and N-acetyl-S-(2,6-dimethylbenzyl)-L-cysteine, was undertaken to investigate the operation of mercapturic acid pathway in the metabolism of 1,2,3-trimethylbenzene. The method applied was based on t...

Au(III) chloride compounds with 7,8-benzoquinoline (bqn) – [Au(bqn)Cl3] and [Au(bqn∗)Cl2] (bqn∗ being deprotonated, at the C(10) carbon, monoanionic form of bqn) were studied by 1H–13C, 1H–15N HMQC and HMBC–NMR. 1H, 13C and 15N coordination shifts were discussed in relation to the molecular ...

Three trimethylsilyl based malonate esters, bis(trimethylsilyl) 2-methyl-2-fluoromalonate (BTMSMFM), bis(trimethylsilyl) 2-ethyl-2-fluoromalonate (BTMSEFM) and bis(trimethylsilyl) 2-propyl-2-fluoromalonate (BTMSPFM), have been used as additives in 1.0 M LiPF6/ethylene carbonate (EC)-dimethyl car...

Two Schiff bases derived from 3-formylsalicilyc acid have been prepared by conventional condensation with trimethylsilyl-methyl-p-aminobenzoate and trimethylsilyl-propyl-p-aminobenzoate. The compounds were fully characterized by analytical, spectroscopic techniques (FT-IR, 1H-NMR, 13C-NMR, UV–v...

The new functionalized hydroxymethylphosphonic and methylenediphosphonic acids are synthesized via unique reaction of tris(trimethylsilyl) phosphite and N-formyl N-heterocycles, N-substituted 4-piperidones, 3-quinuclidone, and 2-adamantanone at the presence of effective catalyst – trimethylsily...

Study of electron and hole mobility for 5,11-dihexyl-6,12-di(2-thienyl)indolo[3,2-b]carbazoles has shown that their heteroaromatic cores act as electron transport centers.

A novel indolo[3,2-b]carbazole derivative containing B(Mes)2 groups, 5,11-dibutyl-2,8-bis(dimesitylboryl) indolo[3,2-b]carbazole (DBDMBICZ), was synthesized and structurally characterized by elemental analysis, NMR, MS. The thermal, electrochemical and photophysical properties of DBDMBICZ were c...

Two indolo[3,2-b]carbazole-containing hypercrosslinked microporous organic polymers have been successfully synthesized via Friedel-Crafts alkylation reaction in the presence of anhydrous FeCl3. It was found that the polymer InCz-HCP2 produced from the monomer with more reaction active sites show...

The influence of substituents on spectral properties and the excited state relaxation of indolo[3,2-b]carbazole derivatives has been studied by means of steady-state and time-resolved spectroscopy and quantum chemical calculations. Conformational motions of the substituents in solutions were fou...

Novel 5,11-dialkyl-6,12-di(thiophen-2-yl) substituted 5,11-dihydroindolo[3,2-b]carbazoles have been obtained and plausible ways for their further modifications via the Friedel–Crafts reaction are presented. The formylation of these indolo[3,2-b]carbazoles with dichloromethyl alkyl esters cataly...

A new indolo[3,2-b]carbazole-based compound (1) has been developed by linking two redox-active diphenylamine moieties to the rigid π-conjugated indolo[3,2-b]carbazole core. Its first two completely reversible oxidation steps are mainly related to the two terminal amine centers, and a moderate e...

A novel symmetrical indolo[3,2-b]carbazole derivative (ICZ-CN) containing dicyanovinyl groups has been designed and synthesized. The typical D-π-A type conjugated compound exhibited an obvious intramolecular charge transfer (ICT) property, which was evidenced by UV-vis absorption, fluorescent e...

A new 5,11-dihydroindolo[3,2-b]carbazole-based bidentate ligand bearing two carboxylic groups, (3,3′-(indolo[3,2-b]carbazole-5,11-diyl)dipropionic acid, H2icdc), has been synthesized in two steps and then used for the construction of two metal–organic coordination polymers, namely [Zn3(dmf)2(i...

Two new indolo[3,2-b]carbazole-based metal-free organic dyes (D1 and D2) were synthesized by utilizing triphenylamine as the first donor which were connected to the second donor indolo[3,2-b]carbazole via 9-position and 8-position, respectively. The dyes were characterized by UV–visible absorpt...

The synthesis, characterization, and field-effect transistor (FET) properties of new alkylated indolo[3,2-b]carbazole (ICz) based materials are reported. Dialkyl substitution at the 2,8-positions of the ICz core structure do not affect strong NH⋯ π interactions, thus favoring a herringbone pack...

Silicon nitride is commonly used as a coating material for the silica crucibles utilized for the growth of multicrystalline silicon by directional solidification. The coating material might introduce impurities into the silicon melt during the growth. To investigate the wetting and incorporation...